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Real-time air quality index in Pleasanton, California today

Stay updated with real-time air quality in Pleasanton, California featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

27

Good

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Pleasanton, California

Last updated: ... (Local time)

Common air pollutants in Pleasanton, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

5.28 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

23.39 μg/m³

0

55

155

255

425

605+

Ozone (O3)

12.15 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.77 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

9.49 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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Pleasanton, California

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Pleasanton, California air quality map: Real-time AQI near you




How accurate is California, USA air quality data?

Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.


Frequently asked questions

How frequently is the air quality data for Pleasanton, California updated?

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Air quality data for Pleasanton, California is updated on an hourly basis.


When did Pleasanton, California experience the worst air quality in the last 24 hours?

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The worst air quality in Pleasanton, California was recorded at 11:00:00 on 2025-07-25.


When did Pleasanton, California have its best air quality in the last 24 hours?

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The best air quality in Pleasanton, California was recorded at 04:00:00 on 2025-07-26.


What is the real-time air quality index for Pleasanton, California?

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The real-time air quality index in Pleasanton, California is 14, currently categorized as Good.


Which pollutant is found most often in Pleasanton, California?

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The most common pollutant in Pleasanton, California is O3.


What can I do if the air quality in Pleasanton, California is poor?

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If the air quality in Pleasanton, California is poor, limit outdoor activities and use a mask to safeguard your health.


What are the current PM2.5 levels in Pleasanton, California?

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The measured PM2.5 levels in Pleasanton, California at present are 1.892 μg/m3.


What are the current PM10 levels at Pleasanton, California?

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The current PM10 levels in Pleasanton, California are 8.207 μg/m3.


What are the current carbon monoxide (CO) levels at Pleasanton, California?

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The current carbon monoxide (CO) level in Pleasanton, California is 0.12 ppm.


What are the current sulfur dioxide (SO2) levels at Pleasanton, California?

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The current sulfur dioxide (SO2) levels in Pleasanton, California are 0.602 ppb.


What are the current ozone (O3) levels at Pleasanton, California?

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The current ozone (O3) levels at Pleasanton, California is 15.263 ppm.


What are the current nitrogen dioxide (NO2) levels at Pleasanton, California?

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The current nitrogen dioxide (NO2) levels at Pleasanton, California is 1.864 ppb.


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